Home / 5,020.94-6,929.28-2,783.03

Finding the Fourth Proportional to 5,020.94, 6,929.28 and 2,783.03

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Solution

The fourth proportional to 5,020.94, 6,929.28 and 2,783.03 is: 3,840.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,020.94 : 6,929.28 = 2,783.03 : x
  2. Step 2: Convert to fraction form
    5,020.94/6,929.28 = 2,783.03/x
  3. Step 3: Cross multiply
    5,020.94x = 6,929.28 × 2,783.03
  4. Step 4: Simplify right side
    5,020.94x = 19,284,359.47
  5. Step 5: Solve for x
    x = 19,284,359.47/5,020.94
  6. Step 6: Final answer
    x = 3,840.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.